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[HOW TO] Update to 257 and preserve root

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By funky0308, Inactive Recognized Themer on 31st October 2013, 06:59 PM
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O.K guys...

This is quite simple

Download generic 534 (I used for central Europe)
DOWNLOAD FTF
Flash it via Flashtool and root with Kingo or root this way :

Quote:

tnx @schickel
This method works great. If you don't trust these tools(Kingo root), use Root MANY ANDROID from Bin4ry. I've used this tool without any problems on the downgraded firmware.




Then boot ROM (you will need to restart your device two times to root proper) and you'll get OTA warning you have 257 firmware ready for update.

Download update and let the device flash the update.

And that's it

Now you have newest firmware and you root is here as well...


See ya

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31st October 2013, 07:02 PM |#2  
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I'm not talking theoretically - I just did that

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31st October 2013, 07:06 PM |#3  
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Thanks.
Not everyone gets the OTA, some need to do it via pccompanion.

But its great news to know the OTA update keeps root.
31st October 2013, 08:11 PM |#4  
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Quote:
Originally Posted by gregbradley

Thanks.
Not everyone gets the OTA, some need to do it via pccompanion.

But its great news to know the OTA update keeps root.

That's the point of this thread.
You'll get OTA if you use generic or world FTF.

That's why I said - first flash central Europe (for EU countries) and you'll get OTA info about 257 firmware.

I couldn't update by OTA too, then I did all this and now I can use OTA.

I was receiving OTA info but couldn't update - so I know not everyone can update that way.

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31st October 2013, 08:13 PM |#5  
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Quote:
Originally Posted by funky0308

That's the point of this thread.
You'll get OTA if you use generic or world FTF.

That's why I said - first flash central Europe (for EU countries) and you'll get OTA info about 257 firmware.

Sent from my C6903 using Tapatalk

Yes I agree with you. But some will want to stay with region specific or branded firmware. There are other methods for them, this is good for those people who will want to flash to central Europe first.

I good find and thanks for confirming OTA keeps root.
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31st October 2013, 08:14 PM |#6  
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I agree, of course
Thanks @Toledo_JAB for moving thread to right place. :thumbup:

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31st October 2013, 09:16 PM |#7  
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Quote:
Originally Posted by funky0308

That's the point of this thread.
You'll get OTA if you use generic or world FTF.

That's why I said - first flash central Europe (for EU countries) and you'll get OTA info about 257 firmware.

I couldn't update by OTA too, then I did all this and now I can use OTA.

I was receiving OTA info but couldn't update - so I know not everyone can update that way.

Sent from my C6903 using Tapatalk

What for other methods do we have without unlocking bootloader and flashing other ftf?

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31st October 2013, 09:37 PM |#8  
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So will this require wiping or can I install generic ROM over branded ROM?
31st October 2013, 09:41 PM |#9  
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EDIT: ROOT IS STILL HERE! WOOHOO!!!

OTA on phone preserves root, no matter which .534 firmware u have.
If u update from phone it preserves root
Make sure to switch to SuperSU app before u update, from any other superuser, works best
31st October 2013, 10:08 PM |#10  
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Quote:
Originally Posted by stealthj

EDIT: ROOT IS STILL HERE! WOOHOO!!!

OTA on phone preserves root, no matter which .534 firmware u have.
If u update from phone it preserves root
Make sure to switch to SuperSU app before u update, from any other superuser, works best

how do you force OTA though? I can't get it on Generic UK firmware...
31st October 2013, 10:16 PM |#11  
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Quote:
Originally Posted by Sean473

how do you force OTA though? I can't get it on Generic UK firmware...

I didn't force it. I was running the .534 DK firmware and the update notification has always been there through the sony software update app. I chose the DK firmware over the hong kong firmware because I didin't like the NFC logo always on there and I'd rather my phone say 4G instead of LTE.

You may have to wait for the OTA! Not sure if there is a way to force it on the phone unless someone gets the update.zip after they download it and you flash it in stock recovery? not sure as I've never entered stock recovery yet. my BL still locked.
Damn it I want a nexus 5... but I'm afraid I'll get drunk or something and accidentally wash it like i do the Z1 all the time
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